Solve the problem.In a composition class containing there are 12 freshmen, 23 sophomores, 11 juniors, and 25 seniors. What fraction of the class is seniors?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the vector projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
k
B. 
i - 
j - 
k
C. 
i - 
k
D. 
i - 
j - 
k
Mathematics
Solve the systems of equations using the addition method.
A. (-6, -5) B. (4, -7) C. (-7, -4) D. No solution
Mathematics
E = 12 V, R1 = 5.6 Kê, R2 = 4.7 Kê, R3 = 3.3 Kê, R4 = 5.1 Kê, and RL = 1.2 Kê. Find the value of IL.
a. 2.69 mA
b. 2.35 mA
c. 1.89 mA
d. 1.49 mA
e. 0.31 mA
Mathematics
Solve the equation analytically.4(4x - 1) = 16
A. 
B. 
C. 
D. 
Mathematics